.mainpage{
  margin-top: 20px;
  .el-tabs__header{
    border: none;
    margin: 0;
    padding: 0;
.el-tabs__nav-wrap {
  width: 418px;
  height: 33px;
  background-color: #333;
  .el-tabs__nav-scroll {
    width: 418px;
    height: 33px;
    .el-tabs__nav {
      width: 418px;
      height: 33px;
      .is-active{
        background-color: #333;
      }
      .el-tabs__item {
        width: 139px;
        height: 30px;
        line-height: 30px;
        box-sizing: content-box;
        color: white;
        margin: 0;
        padding: 0;
        border-right: 1px solid white;
        border-bottom: 2px solid #11aaf1;
        &:nth-child(3){
          border-right: none;
        }
      }
    }
  }
}
  }
  .el-tabs__content{
    width: 100%;
    height: 34px;
    line-height: 10px;
    background-color: #ddd;
    padding: 0;
    margin: 0;
    margin-top: 12px;
    margin-bottom: 10px;
    font-size: 12px;
    color: #666;
  }
}